moving from nebraska across kansas and missouri, and illinois, indiana, kentucky, and tennessee. just before 5:00 in the morning, winds measuring up to 170 miles an hour ripped through harrisburg, illinois, shredding homes. and lifting entire buildings off foundation, carving a seven-mile path of destruction, up to four football fields wide. this was a shopping center. this morning, twisted metal, wood, and glass. >> i can't believe the measure of damage it did. i'm just glad it happened at night. no one was at work. >> reporter: this couple's dog woke them up just as the storm hit. >> he shakes uncontrollably. i got up, i heard the noise. the door opened in, it sucked it back closed. most of the roof is in the backyard. lodged up against the tree. some's in the swimming pool. >> reporter: and more panic in harveyville, kansas. brian and heather's daughter was trapped after the ceiling collapsed in the tornado there. >> i was down in the basement, i'm screaming at him. grab her, grab her, grab her, just grab her. >> i pulled her out from under. we went to the basement. water star